Cheap Mercedes Benz Slk cars under £20,000
With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check
120 Mercedes Benz Slk cars under £20,000 - 41 reductions
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Recently reduced (41)
£18,991
Was £19,991 Save £1,000
Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)
2009 | 56,555 miles | Convertible | 5439 | petrol | automatic | 2 doors
Comes with mp3 compatible, audio, bluetooth interface, pas, speakers, audio 20, bluetooth, centre console, auto climate control, centre console storage, wind deflector, passenger, alloy wheels, bluetooth system, climate control, radio, service history, sports s...eee
£17,490
Was £19,490 Save £2,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Description includes parktronic, heated seats, central door locking, air bag, alloy wheels, cruise control, adjustable steering column, service history, computer, bluetooth, driver, electronic stability programme, adjustable steering column/wheel, black, full service his...eee
£16,695
Was £16,995 Save £300
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2015 | 30,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
This model has We have much more to tell you about this car so please feel free to call us for more details...eee
£12,750
Was £12,995 Save £245
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 52,704 miles | Convertible | 2143 | diesel | automatic | 2 doors
Description includes leather, automatic, 18in alloy wheels, abs, service history, driver, anti lock braking system, navigation system, airbags, black, finance available, mot, part exchange welcome, heated seats, airbag, air con, air conditioning, alloy wheels...eee
£11,799
Was £11,995 Save £196
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 62,597 miles | Convertible | 2143 | diesel | automatic | 2 doors
Options include airbag, anti lock braking system, air conditioning, parktronic, airbags, heated front seat, driver, radio, sat nav, cd, passenger, air con, automatic, audio, warranty, heated front seats, black, diesel, pas, abs, heated seats, convertible, leather, 1...eee
£10,500
Was £11,500 Save £1,000
Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2015 | 47,200 miles | Convertible | 2143 | diesel | automatic | 2 doors
Featuring hpi clear, navigation system, climate control, 2 keys, audio 20, black, dab digital radio, audio, low mileage, automatic, part exchange welcome, speed limiter, cruise control, heated front seat, bluetooth, heated front seats, leather, leather interio...eee
£10,495
Was £10,995 Save £500
Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr
2007 | 24,700 miles | Convertible | 2996 | petrol | automatic | 0 doors
Description includes leather upholstery, speakers, leather, air conditioning, passenger, black, electronic stability programme, cloth, central door locking, air bag, electric windows, traction control system, adjustable steering column/wheel, side protection mouldings, t...eee
£9,995
Was £10,495 Save £500
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2015 | 66,000 miles | Convertible | 2143 | diesel | automatic | 2 doors
Includes pas, alarm, 18in alloy wheels, driver, abs, service history, warranty, brake assist, bluetooth interface, air conditioning, radio, audio 20, full leather, automatic, leather, passenger, bluetooth, low mileage, alloy wheels, airbags, air con, airbag, ...eee
£9,750
Was £9,950 Save £200
Mercedes Benz SLK SLK 200 BlueEFFICIENCY AMG Sport 2dr Tip Auto
2012 | 54,000 miles | Convertible | 1796 | petrol | automatic | 2 doors
Description includes head restraints, tinted glass, 18in alloy wheels, navigation system, air con, dab digital radio, alloy wheels, bluetooth interface, usb, sports suspension, esp, wind deflector, electronic stability programme, remote boot release, tyre pressure loss w...eee
£9,699
Was £10,799 Save £1,100
Mercedes Benz SLK 2.1 SLK250 CDI Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2014 | 36,624 miles | Convertible | 2143 | diesel | automatic | 2 doors
Features on this model include radio, alarm, airbags, automatic, bluetooth, cruise control, sports seats, alloy wheels, passenger, airbag, leather, diesel, cloth, 17in alloy wheels, bluetooth interface, dab digital radio, daytime running lights, audio 20, convertible, esp, wind de...eee
120 cars under £20,000
£19,990
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)
2013 | 56,000 miles | Convertible | 5461 | petrol | automatic | 2 doors
Includes paddle shift, black, parking sensors, daytime running lights, dab digital radio, rear parking sensors, cruise control, heated seats, bluetooth, full service history, bluetooth audio streaming, sat nav, service history, radio, led daytime running ligh...eee
£18,991
Was £19,991 Save £1,000
Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)
2009 | 56,555 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include auto climate control, audio 20, speakers, bluetooth interface, climate control, mp3 compatible, cd, pas, bluetooth system, service history, full service history, audio, centre console, alloy wheels, alloys, centre console storage, radio, bluetooth, w...eee
£17,490
Was £19,490 Save £2,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Featuring service history, leather, computer, full service history, climate control, exterior lighting, adjustable steering column/wheel, anti lock brakes, air bag, central door locking, headlamp wash, steering wheel mounted controls, cruise control, bluetooth...eee
£17,350
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)
2012 | 79,431 miles | Convertible | 5461 | petrol | automatic | 2 doors
Comes with pas, air con, immobiliser, air conditioning, alloy wheels, 18in alloy wheels, automatic, service history, airbags, airbag, driver, passenger, alarm, abs, automatic transmission, black, anti lock braking system, leather, leather interior...eee
£16,695
Was £16,995 Save £300
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2015 | 30,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
Comes with We have much more to tell you about this car so please feel free to call us for more details...eee
£15,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic
2007 | 63,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include air bag, electric windows (front), leather, central door locking, adjustable steering column/wheel, electric windows, driver, climate control, steering wheel mounted controls, adjustable steering column, alloy wheels, speakers, spare wheel...eee
£14,995
Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto
2015 | 39,000 miles | Convertible | 1991 | petrol | automatic | 0 doors
Featuring service history, trip computer, leather interior, petrol, registered keeper, alloys, leather, full service history, convertible, mot, led daytime running lights, daytime running lights, computer, sports seats, black...eee
£14,000
Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP
2007 | 40,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Comes with leather, computer, adjustable steering column, central door locking, speakers, electric windows, adjustable steering column/wheel, exterior lighting, passenger, alarm, electronic stability programme, immobiliser, steering wheel mounted controls, clim...eee
£12,990
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 56,500 miles | Convertible | 2143 | diesel | automatic | 2 doors
Features on this model include hpi clear, rear parking sensors, audio 20, rear parking sensor, air conditioning, wind deflector, automatic, dab digital radio, part exchange welcome, audio, 18in alloy wheels, cruise control, 2 owners, heated seats, climate control, brake assist, al...eee
£12,750
Was £12,995 Save £245
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 52,704 miles | Convertible | 2143 | diesel | automatic | 2 doors
Comes with mot, part exchange welcome, navigation system, airbags, abs, black, air conditioning, service history, finance available, automatic, driver, airbag, air con, leather, heated seats, anti lock braking system, 18in alloy wheels, alloy wheels...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
